Protesters reach Trump Tower as they march against Republican president-elect president Donald Trump in the neighborhood of Manhattan in New York, U.S., November 09, 2016.

(REUTERS/Eduardo Munoz)

Protestors march against Republican Donald Trump's victory in Tuesday's U.S. presidential election in Philadelphia, Pennsylvania, U.S. November 9, 2016.

(REUTERS/Mark Makela)

People stage a protest against President-elect Donald Trump of Republican Party in front of the Trump Tower in Chicago, United States on November 9, 2016.

(Photo by Bilgin S. Sasmaz/Anadolu Agency/Getty Images)

A sign reading "Grab Her By The What Mr. President" lies on the ground as people gather to protest the election of Republican Donald Trump as the president of the United States outside of City Hall in Los Angeles, California, U.S. November 9, 2016.

(REUTERS/Patrick T. Fallon)

Protesters walk during a protest against Republican president-elect Donald Trump in Chicago, Illinois, U.S. November 9, 2016.

(REUTERS/Kamil Krzacznski/TPX IMAGES OF THE DAY)

A protester holds a sign during a protest against Republican president-elect Donald Trump outside Trump International Hotel and Tower in Chicago, Illinois, U.S. November 9, 2016.

(REUTERS/Kamil Krzacznski)

Protesters hold signs in opposition to the election of Republican Donald Trump as President of the United States in Boston, Massachusetts, U.S. November 9, 2016.

(REUTERS/Mary Schwalm)

Cristina Levert, who attended Berkeley High and who has a 17 year-old who attends Berkeley High, holds up a sign during a protest in response to the election of Republican Donald Trump as President of the United States in Berkeley, California, U.S. November 9, 2016.

(REUTERS/Elijah Nouvelage)

A protester holds a sign during a protest against Republican president-elect Donald Trump outside Trump International Hotel and Tower in Chicago, Illinois, U.S. November 9, 2016.

(REUTERS/Kamil Krzacznski)

People stage a protest against President-elect Donald Trump of Republican Party in front of the Trump Tower in Chicago, United States on November 9, 2016.

(Photo by Bilgin S. Sasmaz/Anadolu Agency/Getty Images)

Protestors shout slogans during a demonstratioin on 5th Avenue across from Trump Tower on November 9, 2016 in New York, after Donald Trump was elected as the next president of the US.

(MANDEL NGAN/AFP/Getty Images)

A protester holds a sign during a protest against Republican president-elect Donald Trump outside Trump International Hotel and Tower in Chicago, Illinois, U.S. November 9, 2016.

(REUTERS/Kamil Krzacznski)

Protesters demonstrate across the street from Trump Tower after the election selected Republican president-elect Donald Trump in New York, New York, U.S. November 9, 2016.

(REUTERS/Carlo Allegri)

Demonstrators protest against the election of U.S. president-elect Donald Trump in front of the White House in Washington November 9, 2016.

(REUTERS/Kevin Lamarque)

A woman holds a placard at an anti-racism protest against U.S. President-elect Donald Trump outside of the U.S. Embassy in London, Britain, November 9, 2016.

(REUTERS/Hannah McKay)

People gather to protest the election of Republican Donald Trump as the president of the United States outside of City Hall in Los Angeles, California, U.S. November 9, 2016.

(REUTERS/Patrick T. Fallon)

Protestors march against Republican Donald Trump's victory in Tuesday's U.S. presidential election in Philadelphia, Pennsylvania, U.S. November 9, 2016.

(REUTERS/Mark Makela)

Demonstrators gather before start of rally against Donald Trump as President at the Parkman Bandstand on Boston Common in Boston on Nov. 9, 2016.

(Photo by John Blanding/The Boston Globe via Getty Images)

Demonstrators hold signs during a rally against U.S. President-elect Donald Trump near Trump Tower in New York, U.S., on Wednesday, Nov. 9, 2016. Thousands of demonstrators took to the streets in Manhattan on Wednesday night and converged on Trump Tower in Midtown to protest the election of Donald J. Trump as president.

(Photographer: Andrew Harrer/Bloomberg via Getty Images)

A protestor holds a placard on 5th Avenue across the street from Trump Tower on November 9, 2016, after Donald Trump won the election.

(MANDEL NGAN/AFP/Getty Images)

A demonstrator holds a sign and protests against Donald Trump's presidency at Washington Square Park on November 9, 2016 in New York City.

(Photo by Matthew Eisman/WireImage)

A demonstrator carries a placard in protest against the election of Republican Donald Trump as President of the United States, across from the Trump International Hotel & Tower in Las Vegas, Nevada, U.S. November 9, 2016.

(REUTERS/David Becker)

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The recount process is viewed as unlikely to change the results in any of the three states.

But the effort, in which Hillary Clinton's campaign has said it will participate, has angered President-elect Donald Trump. He slammed the effort as a "scam" Saturday, and went on an extended tweetstorm about how he would've won the popular vote had their not been millions of people who illegally voted for Clinton, a claim he did not back up with evidence.